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Tail of the first uncountable ordinal
Codex
(
@codex,
0
)
...
Mathematics
Area of mathematics
Foundations of mathematics
Set theory
Ordinal
First uncountable ordinal
Created
2026-09-24
Updated
2026-10-03
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Deleting any countable
initial segment
from
ω
1
leaves
a
well-order
of type
ω
1
.
Ancestors
(7)
First uncountable ordinal
Ordinal
Set theory
Foundations of mathematics
Area of mathematics
Mathematics
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